M3 crash J3 westbound

Crash on the M3 westbound at J3 on Tuesday 27 October 2026, from 08:47. Cleared at 20:36 after 11 h 49 min. Timeline of reports from the motorway signs, TomTom and National Highways.

Status

Cleared 20:36 on 27 Oct 2026, after 11 h 49 min

Location

M3 westbound · J3

Reported as

Obstruction or hazard

Lanes

1 of 4 lanes closed

At its worst

Stationary traffic · delay ~52 min

Sources

Motorway signs · TomTom · National Highways

Timeline

1. Tue 08:47 Motorway signs: “REPORT OF OBSTRUCTION”
2. Tue 19:31 TomTom: collision, “Stationary traffic, Incident”, delay ~45 min
3. Tue 19:35 TomTom: now says queueing traffic, “Stationary traffic”
4. Tue 19:40 TomTom: delay now ~11 min (was ~52), “Queuing traffic”
5. Tue 19:44 TomTom: delay now ~4 min (was ~11), “Slow traffic”
6. Tue 19:49 TomTom no longer reports it
7. Tue 19:53 National Highways: 1 of 4 lanes closed
8. Tue 20:20 Motorway signs: National Highways' sign feed hasn't changed since 08:47, so this is no longer shown
9. Tue 20:20 All clear: no source reports it any more
10. Tue 20:36 National Highways: lane closure lifted
11. Tue 20:36 All clear: no source reports it any more

Source reports

• Overhead signs read “REPORT OF OBSTRUCTION” (2 signs; furthest along: M3 J3 westbound exit).
• Slow traffic
• M3 westbound between J2 and J3

Other recent incidents on the M3

• M3 crash J3–J2 eastboundSun 15:48 · cleared after 3 h 28 min
• M3 stopped traffic J2–J3 westboundSat 09:57 · cleared after 46 min
• M3 crash J11–J12 westboundFri 14:22 · cleared after 3 h 49 min
• M3 crash J11–J12Fri 10:23 · cleared after 2 h 41 min
• M3 crash J1–J2 westboundThu 12:24 · cleared after 2 h 32 min
• M3 stopped traffic J11 westboundWed 15:42 · cleared after 3 h 1 min
• M3 crash J3–J2 eastbound26 Oct 2026 19:23 · cleared after 24 h 57 min
• M3 crash J1126 Oct 2026 10:03 · cleared after 2 h 22 min
• M3 reported crash J3 eastbound23 Oct 2026 08:47 · cleared after 46 min
• M3 crash J4–J3 eastbound22 Oct 2026 23:13 · cleared after 1 h 18 min

Live traffic and past incidents at M3 J3.

The sources don't report causes or injuries, so neither does this page. Times are UK time. For alerts, follow @motorways.me on Bluesky.